According to authorities, the suspect, identified as 22-year-old Michael Lewis, approached the child outside a home on Dekalb Avenue in the Fort Greene section at around 5 p.m. Wednesday.
Police say Lewis forcibly put his hand up the victim's skirt and grabbed her crotch. The suspect then proceeded to bite the girl's ear before fleeing the scene.
Lewis is described as a black male, approximately 5'10," 165 pounds with tattoos on his face and neck. Police believe Lewis is currently homeless.
Anyone with information about the incident is urged to call the NYPD's Crime Stoppers Hotline at 800-577-TIPS or text their tips to 274637(CRIMES) then enter TIP577. All calls will remain confidential.